The co-hosts powered past the Thais 25-17, 25-17, 25-17, with opposite spiker Pimpichaya Kokram scoring 11 points in another tough test for Thailand, reports the Bangkok Post.
They will take on Croatia later today.
Thailand had two points after two matches and were fourth in Pool B after the Dominican Republic, Poland and Turkey.
World No. 14 Thailand stunned world No. 6 Turkey in the opener in the Netherlands on Saturday.